         (println)))
 
 (defn fetch-jobs-only
+    "Dummy function that will be used just to fetch job data and exports them."
     [options]
     (println "Generating data2.edn")
     ;(job-data-fetcher/try-to-fetch-and-export-data)
     (println "Done"))
 
 (defn show-config
+    "Show the current configuration on the standard output."
     [options]
     (let [port                (options :port)
           jenkins-url         (options :jenkins-url)

        (get-and-check-port specified-port)))

(defn show-help
    [summary]
    (println "Usage:")
    (println summary))

(defn print-environment-configuration
    []
    (let [properties (process-info/read-properties)]
        (println "Environment configuration")

        (println "Finished")))

(defn run-app
    "Starts application on any supported configuration: regular machine or OpenStack VM."
    [options]
    (let [port                (options :port)
          jenkins-url         (options :jenkins-url)
